Base | Representation |
---|---|
bin | 101110111100… |
… | …101100001000 |
3 | 212011021022112 |
4 | 232330230020 |
5 | 11122312313 |
6 | 1115441452 |
7 | 206416034 |
oct | 56745410 |
9 | 25137275 |
10 | 12307208 |
11 | 6a46651 |
12 | 4156288 |
13 | 271ba94 |
14 | 18c51c4 |
15 | 11318a8 |
hex | bbcb08 |
12307208 has 32 divisors (see below), whose sum is σ = 24269760. Its totient is φ = 5839680.
The previous prime is 12307171. The next prime is 12307213. The reversal of 12307208 is 80270321.
12307208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38666 + ... + 38982.
It is an arithmetic number, because the mean of its divisors is an integer number (758430).
Almost surely, 212307208 is an apocalyptic number.
It is an amenable number.
12307208 is a deficient number, since it is larger than the sum of its proper divisors (11962552).
12307208 is a wasteful number, since it uses less digits than its factorization.
12307208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557 (or 553 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 12307208 is about 3508.1630520830. The cubic root of 12307208 is about 230.8801061960.
Adding to 12307208 its reverse (80270321), we get a palindrome (92577529).
The spelling of 12307208 in words is "twelve million, three hundred seven thousand, two hundred eight".
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